VATICAN CITY – The Vatican raised its opposition to embryonic stem cell research, the morning-after pill, in vitro fertilization and human cloning to a new level Friday in a major new document on bioethics.

But in the document, the Vatican also said it approved of some forms of gene therapy and encouraged stem cell research using adult cells. And it said parents could in good conscience inoculate their children with vaccines produced with cells derived from aborted fetuses.

The Vatican’s Congregation for the Doctrine of the Faith issued “The Dignity of a Person” to answer bioethical questions that have emerged in the two decades since its last such document was published.

With it, the Vatican has essentially confirmed in a single, authoritative instruction the opinions of the Pontifical Academy for Life, a Vatican advisory body that has debated these issues for years.

The Vatican’s overall position is formed by its belief that human life begins at conception, and must be afforded all the consequent respect and dignity from that moment on. The Vatican also holds that human life should be created through intercourse between husband and wife, not in a petri dish.

As a result, the Vatican said it opposed the morning-after pill, even if it doesn’t cause an abortion, because an abortion was “intended.” In the use of drugs such as RU-486, which causes the elimination of the embryo once it is implanted, the “sin of abortion” is committed; their use is thus “gravely immoral.”

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